heat now high wwire walker and nick wallenda have one more claim to fame. he walked 1,500 ft. above the little colorado river gorge near the grand canyon and he did it without a tether or as a brunette. >> we put up that cable for the stimulus of movement. i would actually visualize myself over the canyon and start to mentally prepared. >> he holds a seven height wider record and comes from a family of errorless. when asked why he does this, he says it's in his blood. >> i am carrying on a legacy. this is something that i've been doing since i was 7 years old and it is truly my passion. >> last year he became the first man to walk a high whewire from the u.s. side to the canadian side of niagara falls. he shows no signs of stopping. >> were democrats in san francisco and will tran is live at the scene. >> you can see the grass right behind me and it evolves that green toyota camry. it happened a few moments ago and a couple in their 80s according to the fire department was being and hit the center median, over corrected and slammed into this old clock here that is decades old.